Vintage Baseball Dad Humor T-Shirt

A clean vintage baseball dad/grandpa humor t-shirt design featuring a grumpy old bulldog coach sitting in a folding chair beside a dugout fence, wearing a baseball cap, whistle, tube socks, and holding a clipboard that says “SWING LEVEL,” with a bucket of baseballs, a cracked bat, sunflower seeds, and a small scoreboard behind him, bold distressed varsity lettering reading “UNPAID DUGOUT MANAGER” above and smaller text reading “SINCE FIRST PITCH” below; use an old-school athletic screen-print style with cartoon mascot illustration, dry humor mood, solid colors only in cream, black, muted gold, faded red, and weathered brown, no gradients, strong fabric-readable contrast, vintage distressing, vector format, built-in negative space around the bulldog and text, 1080x1080 square format, #D3D3D3 background, fully centered badge-style composition, and keep all typography, chair legs, bat ends, and scoreboard details inside the frame with no cropping.